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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
#include "gfx.h"
#if GFX_USE_GDISP
#define GDISP_DRIVER_VMT GDISPVMT_SSD1289
#include "drivers/gdisp/SSD1289/gdisp_lld_config.h"
#include "src/gdisp/gdisp_driver.h"
#include "board_SSD1289.h"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
#ifndef GDISP_SCREEN_HEIGHT
#define GDISP_SCREEN_HEIGHT 320
#endif
#ifndef GDISP_SCREEN_WIDTH
#define GDISP_SCREEN_WIDTH 240
#endif
#ifndef GDISP_INITIAL_CONTRAST
#define GDISP_INITIAL_CONTRAST 50
#endif
#ifndef GDISP_INITIAL_BACKLIGHT
#define GDISP_INITIAL_BACKLIGHT 100
#endif
#ifndef GDISP_USE_DMA
#define GDISP_USE_DMA FALSE
#endif
#ifndef GDISP_NO_DMA_FROM_STACK
#define GDISP_NO_DMA_FROM_STACK FALSE
#endif
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
// Some common routines and macros
#define dummy_read(g) { volatile uint16_t dummy; dummy = read_data(g); (void) dummy; }
#define write_reg(g, reg, data) { write_index(g, reg); write_data(g, data); }
static void set_cursor(GDisplay *g) {
/*
* Reg 0x004E is an 8 bit value - start x position
* Reg 0x004F is 9 bit - start y position
* Use a bit mask to make sure they are not set too high
*/
switch(g->g.Orientation) {
default:
case GDISP_ROTATE_0:
write_reg(g, 0x4e, g->p.x & 0x00FF);
write_reg(g, 0x4f, g->p.y & 0x01FF);
break;
case GDISP_ROTATE_90:
write_reg(g, 0x4e, g->p.y & 0x00FF);
write_reg(g, 0x4f, (GDISP_SCREEN_HEIGHT-1-g->p.x) & 0x01FF);
break;
case GDISP_ROTATE_180:
write_reg(g, 0x4e, (GDISP_SCREEN_WIDTH-1-g->p.x) & 0x00FF);
write_reg(g, 0x4f, (GDISP_SCREEN_HEIGHT-1-g->p.y) & 0x01FF);
break;
case GDISP_ROTATE_270:
write_reg(g, 0x4e, (GDISP_SCREEN_WIDTH-1-g->p.y) & 0x00FF);
write_reg(g, 0x4f, g->p.x & 0x01FF);
break;
}
write_index(g, 0x22);
}
static void set_viewport(GDisplay* g) {
/* Reg 0x44 - Horizontal RAM address position
* Upper Byte - HEA
* Lower Byte - HSA
* 0 <= HSA <= HEA <= 0xEF
* Reg 0x45,0x46 - Vertical RAM address position
* Lower 9 bits gives 0-511 range in each value
* 0 <= Reg(0x45) <= Reg(0x46) <= 0x13F
* Use a bit mask to make sure they are not set too high
*/
switch(g->g.Orientation) {
default:
case GDISP_ROTATE_0:
write_reg(g, 0x44, (((g->p.x+g->p.cx-1) << 8) & 0xFF00 ) | (g->p.x & 0x00FF));
write_reg(g, 0x45, g->p.y & 0x01FF);
write_reg(g, 0x46, (g->p.y+g->p.cy-1) & 0x01FF);
break;
case GDISP_ROTATE_90:
write_reg(g, 0x44, (((g->p.y+g->p.cy-1) << 8) & 0xFF00 ) | (g->p.y & 0x00FF));
write_reg(g, 0x45, (GDISP_SCREEN_HEIGHT-(g->p.x+g->p.cx)) & 0x01FF);
write_reg(g, 0x46, (GDISP_SCREEN_HEIGHT-1-g->p.x) & 0x01FF);
break;
case GDISP_ROTATE_180:
write_reg(g, 0x44, (((GDISP_SCREEN_WIDTH-1-g->p.x) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (g->p.x+g->p.cx)) & 0x00FF));
write_reg(g, 0x45, (GDISP_SCREEN_HEIGHT-(g->p.y+g->p.cy)) & 0x01FF);
write_reg(g, 0x46, (GDISP_SCREEN_HEIGHT-1-g->p.y) & 0x01FF);
break;
case GDISP_ROTATE_270:
write_reg(g, 0x44, (((GDISP_SCREEN_WIDTH-1-g->p.y) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH-(g->p.y+g->p.cy)) & 0x00FF));
write_reg(g, 0x45, g->p.x & 0x01FF);
write_reg(g, 0x46, (g->p.x+g->p.cx-1) & 0x01FF);
break;
}
}
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
// No private area for this controller
g->priv = 0;
// Initialise the board interface
init_board(g);
// Hardware reset
setpin_reset(g, TRUE);
gfxSleepMilliseconds(20);
setpin_reset(g, FALSE);
gfxSleepMilliseconds(20);
// Get the bus for the following initialisation commands
acquire_bus(g);
write_reg(g, 0x00, 0x0001); gfxSleepMicroseconds(5);
write_reg(g, 0x03, 0xA8A4); gfxSleepMicroseconds(5);
write_reg(g, 0x0C, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x0D, 0x080C); gfxSleepMicroseconds(5);
write_reg(g, 0x0E, 0x2B00); gfxSleepMicroseconds(5);
write_reg(g, 0x1E, 0x00B0); gfxSleepMicroseconds(5);
write_reg(g, 0x01, 0x2B3F); gfxSleepMicroseconds(5);
write_reg(g, 0x02, 0x0600); gfxSleepMicroseconds(5);
write_reg(g, 0x10, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x11, 0x6070); gfxSleepMicroseconds(5);
write_reg(g, 0x05, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x06, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x16, 0xEF1C); gfxSleepMicroseconds(5);
write_reg(g, 0x17, 0x0003); gfxSleepMicroseconds(5);
write_reg(g, 0x07, 0x0133); gfxSleepMicroseconds(5);
write_reg(g, 0x0B, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x0F, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x41, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x42, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x48, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x49, 0x013F); gfxSleepMicroseconds(5);
write_reg(g, 0x4A, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x4B, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x44, 0xEF00); gfxSleepMicroseconds(5);
write_reg(g, 0x45, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x46, 0x013F); gfxSleepMicroseconds(5);
write_reg(g, 0x30, 0x0707); gfxSleepMicroseconds(5);
write_reg(g, 0x31, 0x0204); gfxSleepMicroseconds(5);
write_reg(g, 0x32, 0x0204); gfxSleepMicroseconds(5);
write_reg(g, 0x33, 0x0502); gfxSleepMicroseconds(5);
write_reg(g, 0x34, 0x0507); gfxSleepMicroseconds(5);
write_reg(g, 0x35, 0x0204); gfxSleepMicroseconds(5);
write_reg(g, 0x36, 0x0204); gfxSleepMicroseconds(5);
write_reg(g, 0x37, 0x0502); gfxSleepMicroseconds(5);
write_reg(g, 0x3A, 0x0302); gfxSleepMicroseconds(5);
write_reg(g, 0x3B, 0x0302); gfxSleepMicroseconds(5);
write_reg(g, 0x23, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x24, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x25, 0x8000); gfxSleepMicroseconds(5);
write_reg(g, 0x4f, 0x0000); gfxSleepMicroseconds(5);
write_reg(g, 0x4e, 0x0000); gfxSleepMicroseconds(5);
// Finish Init
post_init_board(g);
// Release the bus
release_bus(g);
/* Turn on the back-light */
set_backlight(g, GDISP_INITIAL_BACKLIGHT);
/* Initialise the GDISP structure */
g->g.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Orientation = GDISP_ROTATE_0;
g->g.Powermode = powerOn;
g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
g->g.Contrast = GDISP_INITIAL_CONTRAST;
return TRUE;
}
#if GDISP_HARDWARE_STREAM_WRITE
LLDSPEC void gdisp_lld_write_start(GDisplay *g) {
acquire_bus(g);
set_viewport(g);
#if !GDISP_HARDWARE_STREAM_POS
set_cursor(g);
#endif
}
LLDSPEC void gdisp_lld_write_color(GDisplay *g) {
write_data(g, gdispColor2Native(g->p.color));
}
LLDSPEC void gdisp_lld_write_stop(GDisplay *g) {
release_bus(g);
}
#if GDISP_HARDWARE_STREAM_POS
LLDSPEC void gdisp_lld_write_pos(GDisplay *g) {
set_cursor(g);
}
#endif
#endif
#if GDISP_HARDWARE_STREAM_READ
LLDSPEC void gdisp_lld_read_start(GDisplay *g) {
acquire_bus(g);
set_viewport(g);
set_cursor(g);
setreadmode(g);
dummy_read(g);
}
LLDSPEC color_t gdisp_lld_read_color(GDisplay *g) {
uint16_t data;
data = read_data(g);
return gdispNative2Color(data);
}
LLDSPEC void gdisp_lld_read_stop(GDisplay *g) {
setwritemode(g);
release_bus(g);
}
#endif
#if GDISP_HARDWARE_FILLS && GDISP_USE_DMA
LLDSPEC void gdisp_lld_fill_area(GDisplay *g) {
#if GDISP_NO_DMA_FROM_STACK
static LLDCOLOR_TYPE c;
#else
LLDCOLOR_TYPE c;
#endif
c = gdispColor2Native(g->p.color);
acquire_bus(g);
set_viewport(g);
set_cursor(g);
dma_with_noinc(g, &c, g->p.cx*g->p.cy);
release_bus(g);
}
#endif
#if GDISP_HARDWARE_BITFILLS && GDISP_USE_DMA
#if GDISP_PIXELFORMAT != GDISP_LLD_PIXELFORMAT
#error "GDISP: SSD1289: BitBlit is only available in RGB565 pixel format"
#endif
LLDSPEC void gdisp_lld_blit_area(GDisplay *g) {
pixel_t *buffer;
coord_t ycnt;
buffer = (pixel_t *)g->p.ptr + g->p.x1 + g->p.y1 * g->p.x2;
acquire_bus(g);
set_viewport(g);
set_cursor(g);
if (g->p.x2 == g->p.cx) {
dma_with_inc(g, buffer, g->p.cx*g->p.cy);
} else {
for (ycnt = g->p.cy; ycnt; ycnt--, buffer += g->p.x2)
dma_with_inc(g, buffer, g->p.cy);
}
release_bus(g);
}
#endif
#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
LLDSPEC void gdisp_lld_control(GDisplay *g) {
switch(g->p.x) {
case GDISP_CONTROL_POWER:
if (g->g.Powermode == (powermode_t)g->p.ptr)
return;
switch((powermode_t)g->p.ptr) {
case powerOff:
acquire_bus(g);
write_reg(g, 0x10, 0x0000); // leave sleep mode
write_reg(g, 0x07, 0x0000); // halt operation
write_reg(g, 0x00, 0x0000); // turn off oscillator
write_reg(g, 0x10, 0x0001); // enter sleep mode
release_bus(g);
break;
case powerOn:
acquire_bus(g);
write_reg(g, 0x10, 0x0000); // leave sleep mode
write_reg(g, 0x00, 0x0001); // turn on oscillator
gfxSleepMicroseconds(5);
release_bus(g);
break;
case powerSleep:
acquire_bus(g);
write_reg(g, 0x10, 0x0001); // enter sleep mode
release_bus(g);
break;
default:
return;
}
g->g.Powermode = (powermode_t)g->p.ptr;
return;
case GDISP_CONTROL_ORIENTATION:
if (g->g.Orientation == (orientation_t)g->p.ptr)
return;
switch((orientation_t)g->p.ptr) {
case GDISP_ROTATE_0:
acquire_bus(g);
/* ID = 11 AM = 0 */
write_reg(g, 0x11, 0x6070);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_90:
acquire_bus(g);
/* ID = 01 AM = 1 */
write_reg(g, 0x11, 0x6058);
release_bus(g);
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
case GDISP_ROTATE_180:
acquire_bus(g);
/* ID = 00 AM = 0 */
write_reg(g, 0x11, 0x6040);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_270:
acquire_bus(g);
/* ID = 10 AM = 1 */
write_reg(g, 0x11, 0x6068);
release_bus(g);
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
default:
return;
}
g->g.Orientation = (orientation_t)g->p.ptr;
return;
case GDISP_CONTROL_BACKLIGHT:
if ((unsigned)g->p.ptr > 100)
g->p.ptr = (void *)100;
set_backlight(g, (unsigned)g->p.ptr);
g->g.Backlight = (unsigned)g->p.ptr;
return;
//case GDISP_CONTROL_CONTRAST:
default:
return;
}
}
#endif
#endif /* GFX_USE_GDISP */
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